The ZPU-23 is a Soviet-designed anti-aircraft gun system that features a twin-barrel 23mm autocannon. It was developed in the 1950s and is primarily used to target low-flying aircraft. The ZPU-23 is mounted on a wheeled or tracked chassis, allowing for mobility on the battlefield. This weapon system is known for its high rate of fire and effectiveness against various aerial threats. It has been widely exported and used by numerous countries, often in conflicts where air support is crucial. The ZPU-23 is part of a broader category of anti-aircraft artillery, which includes systems like the ZSU-23-4 and S-60.